150 lines
3.7 KiB
C
150 lines
3.7 KiB
C
/***********************************************************
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Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Print a bunch of C initializers that represent a grammar */
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#include "pgenheaders.h"
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#include "grammar.h"
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/* Forward */
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static void printarcs PROTO((int, dfa *, FILE *));
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static void printstates PROTO((grammar *, FILE *));
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static void printdfas PROTO((grammar *, FILE *));
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static void printlabels PROTO((grammar *, FILE *));
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void
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printgrammar(g, fp)
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grammar *g;
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FILE *fp;
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{
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fprintf(fp, "#include \"pgenheaders.h\"\n");
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fprintf(fp, "#include \"grammar.h\"\n");
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printdfas(g, fp);
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printlabels(g, fp);
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fprintf(fp, "grammar gram = {\n");
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fprintf(fp, "\t%d,\n", g->g_ndfas);
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fprintf(fp, "\tdfas,\n");
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fprintf(fp, "\t{%d, labels},\n", g->g_ll.ll_nlabels);
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fprintf(fp, "\t%d\n", g->g_start);
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fprintf(fp, "};\n");
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}
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void
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printnonterminals(g, fp)
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grammar *g;
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FILE *fp;
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{
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dfa *d;
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int i;
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d = g->g_dfa;
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for (i = g->g_ndfas; --i >= 0; d++)
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fprintf(fp, "#define %s %d\n", d->d_name, d->d_type);
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}
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static void
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printarcs(i, d, fp)
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int i;
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dfa *d;
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FILE *fp;
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{
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arc *a;
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state *s;
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int j, k;
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s = d->d_state;
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for (j = 0; j < d->d_nstates; j++, s++) {
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fprintf(fp, "static arc arcs_%d_%d[%d] = {\n",
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i, j, s->s_narcs);
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a = s->s_arc;
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for (k = 0; k < s->s_narcs; k++, a++)
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fprintf(fp, "\t{%d, %d},\n", a->a_lbl, a->a_arrow);
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fprintf(fp, "};\n");
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}
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}
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static void
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printstates(g, fp)
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grammar *g;
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FILE *fp;
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{
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state *s;
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dfa *d;
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int i, j;
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d = g->g_dfa;
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for (i = 0; i < g->g_ndfas; i++, d++) {
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printarcs(i, d, fp);
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fprintf(fp, "static state states_%d[%d] = {\n",
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i, d->d_nstates);
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s = d->d_state;
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for (j = 0; j < d->d_nstates; j++, s++)
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fprintf(fp, "\t{%d, arcs_%d_%d},\n",
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s->s_narcs, i, j);
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fprintf(fp, "};\n");
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}
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}
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static void
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printdfas(g, fp)
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grammar *g;
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FILE *fp;
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{
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dfa *d;
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int i, j;
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printstates(g, fp);
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fprintf(fp, "static dfa dfas[%d] = {\n", g->g_ndfas);
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d = g->g_dfa;
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for (i = 0; i < g->g_ndfas; i++, d++) {
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fprintf(fp, "\t{%d, \"%s\", %d, %d, states_%d,\n",
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d->d_type, d->d_name, d->d_initial, d->d_nstates, i);
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fprintf(fp, "\t \"");
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for (j = 0; j < NBYTES(g->g_ll.ll_nlabels); j++)
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fprintf(fp, "\\%03o", d->d_first[j] & 0xff);
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fprintf(fp, "\"},\n");
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}
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fprintf(fp, "};\n");
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}
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static void
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printlabels(g, fp)
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grammar *g;
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FILE *fp;
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{
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label *l;
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int i;
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fprintf(fp, "static label labels[%d] = {\n", g->g_ll.ll_nlabels);
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l = g->g_ll.ll_label;
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for (i = g->g_ll.ll_nlabels; --i >= 0; l++) {
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if (l->lb_str == NULL)
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fprintf(fp, "\t{%d, 0},\n", l->lb_type);
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else
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fprintf(fp, "\t{%d, \"%s\"},\n",
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l->lb_type, l->lb_str);
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}
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fprintf(fp, "};\n");
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}
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